A flash of red light followed by a flash of far-red light given during the middle of the night to a short-day plant will likely _____
A) cause increased flower production
B) have no effect upon flowering
C) inhibit flowering
D) stimulate flowering
E) convert florigen to the active form
Answer: B
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When considering complex traits in health and disease, which of the following statements is not correct?
A. Diabetes, high blood pressure, asthma, epilepsy, schizophrenia, and clinical depression are all complex traits. B. Cystic fibrosis, sickle-cell anemia, and phenylketonuria are simple Mendelian disorders. C. The majority of birth anomalies result only from genetic risk factors. D. Many genes that contribute to complex traits are clustered on the same chromosome. E. Many genes that contribute to complex traits arose through the process of duplication of a single gene followed by divergence over time, generating a family of genes near one another with related functions.
Which of these processes is least likely to expand the coding capacity of the genome?
A. RNA editing B. alternative splicing C. poly(A) site choice D. RNA capping
According to evidence from ice layers from the Antarctic, atmospheric carbon dioxide levels have been rising
since ____.
a. the dinosaurs went extinct b. about 10,000 years ago c. the industrial revolution began d. the 1970s
e. human evolved 200,000 years agoWhat happens to each daughter cell at the conclusion of mitosis?
a. It has DNA identical to the parent cell. b. It has twice the cytoplasm and the same amount of DNA as the parent cell. c. It has twice the amount of DNA and half the cytoplasm of the parent cell. d. It has half the DNA and half the cytoplasm found in the parent cell.